Specification:
Heating material: second-generation far-infrared carbon fiber
Colour: Black
Power supply: USB socket
Voltage: 5-6V
Suitable size: Small size: 35-40 size or large size: 41-45 size
Feature:
1.Easy to use
2.Suitable for various shoe types
3.Three heating methods: USB interface heating, power adapter heating, mobile power bank heating
4.Can be cut according to size
5.Can be washed
Package List:
1 pair* insole
1* two-in-one charging cable